Preamble sequence sending and receiving methods, apparatuses and storage medium

Abstract

The present disclosure provides preamble sequence sending and receiving methods and apparatuses and a storage medium. The method includes: determining M random access channel occasions (ROs) based on detected synchronization signal blocks (SSBs), where M is an integer greater than 1; and sending preamble sequences on the M ROs, where the preamble sequences carry additional bits generated based on informational bits, thereby improving the performance of preamble sequences.

1 . A preamble sequence sending method, comprising:
 determining M random access channel occasions (ROs) based on detected synchronization signal blocks (SSBs), wherein M is an integer greater than 1; and   sending preamble sequences on the M ROs, wherein the preamble sequences carry additional bits generated based on information bits.   
     
     
         2 . The method according to  claim 1 , wherein the determining the M random access channel occasions (ROs) based on the detected synchronization signal blocks (SSBs) comprises:
 selecting X SSBs from the detected SSBs at least based on synchronization signal-reference signal received powers (SS-RSRPs) of the detected SSBs, wherein X is an integer greater than or equal to 1, and X is preset, or configured by a network device, or agreed upon by a protocol, or determined by a terminal; and   determining the M ROs based on the X SSB and a mapping relationship between SSBs and ROs, wherein M is preset, or configured by a network device, or agreed upon by a protocol, or determined by a terminal.   
     
     
         3 . The method according to  claim 2 , wherein in a case that a number of ROs mapped by each SSB is 1/N, wherein N is less than 1, then the M ROs represent X/N ROs corresponding to the X SSBs; or,
 in a case that a number of ROs mapped by each SSB is 1/N, wherein Nis less than 1, then X is equivalent to M divided by 1/N and rounded up to a nearest integer, and the M ROs represent M ROs in X/N ROs corresponding to the X SSBs;   wherein the X SSBs represent X SSBs with highest SS-RSRPs among all SSBs, or the X SSBs represent X SSBs whose SS-RSRPs exceed a preset threshold.   
     
     
         4 - 5 . (canceled) 
     
     
         6 . The method according to  claim 2 , wherein in a case that a number of ROs mapped by each SSB is 1 and a number of SSBs mapped by each RO is N, wherein N is greater than or equal to 1, then X is 1, and the X SSBs represent one SSB with a highest SS-RSRP among all SSBs, or the X SSBs represent one SSB whose SS-RSRP exceeds a preset threshold;
 wherein the determining the M ROs based on the X SSBs and the mapping relationship between the SSBs and the ROs comprises:   determining a first RO corresponding to the X SSBs based on the mapping relationship between the SSBs and the ROs; and   selecting consecutive M ROs starting from the first RO; or,   in a case that a number of ROs mapped by each SSB is 1 and a number of SSBs mapped by each RO is N, wherein N is greater than or equal to 1, then X is equal to M, and the X SSBs represent M SSBs corresponding to M highest SS-RSRPs among all SSBs, or the X SSBs represent M SSBs whose SS-RSRPs exceed a preset threshold; wherein the determining the M ROs based on the X SSBs and the mapping relationship between the SSBs and the ROs comprises: determining K ROs corresponding to the X SSBs based on the mapping relationship between the SSBs and the ROs, and in a case that K is equal to M, determining the K ROs as the MROs.   
     
     
         7 . (canceled) 
     
     
         8 . The method according to  claim 6 , in the case that X is equal to M, the method further comprising:
 in a case that K is less than M, continuing to select an RO corresponding to an SSB with a highest SS-RSRP among other SSBs than the X SSBs until the M ROs are determined; or,   in a case that K is less than M, selecting consecutive M-K ROs after the K ROs to obtain the M ROs.   
     
     
         9 . The method according to  claim 1 , wherein the preamble sequences on the M ROs are the same, and the preamble sequences carry all information of the additional bits; or,
 the preamble sequences on the M ROs are not completely the same, and each preamble sequence carries part of information of the additional bits.   
     
     
         10 . (canceled) 
     
     
         11 . The method according to  claim 9 , in a case that the preamble sequences on the M ROs are not completely the same, wherein the sending the preamble sequences on the M ROs comprises:
 sending L preamble sequences on the M ROs, wherein L is a number of segments of the additional bits, and L is less than or equal to M, each preamble sequence in the L preamble sequences carries a segment of the additional bits, wherein L is preset, or configured by a network device, or agreed upon by a protocol, or determined by a terminal; wherein L is calculated based on M, or M is calculated based on L.   
     
     
         12 - 13 . (canceled) 
     
     
         14 . A preamble sequence receiving method, comprising:
 determining one or more random access channel occasion (RO) combinations, wherein the RO combination comprises M ROs, wherein M is an integer greater than 1; and   performing reception processing of preamble sequences on each RO combination, wherein the preamble sequences carry additional bits generated based on information bits.   
     
     
         15 . The method according to  claim 14 , wherein the determining the one or more RO combinations comprises:
 determining one or more synchronization signal block (SSB) combinations, wherein the SSB combination comprises X SSBs, wherein X is an integer greater than or equal to 1; and   determining the RO combination based on the X SSBs and a mapping relationship between SSBs and ROs.   
     
     
         16 . The method according to  claim 15 , wherein
 in a case that a number of ROs mapped by each SSB is 1/N, wherein Nis less than 1, then the M ROs represent X/N ROs corresponding to the X SSBs; or,   in a case that a number of ROs mapped by each SSB is 1/N, wherein N is less than 1, then X is equivalent to M divided by 1/N and rounded up to a nearest integer, and the M ROs represent M ROs in X/N ROs corresponding to the X SSBs; or,   in a case that a number of ROs mapped by each SSB is 1 and a number of SSBs mapped by each RO is N, in a case that N is greater than or equal to 1, then X is 1; wherein the determining the RO combination based on the X SSBs and the mapping relationship between the SSBs and the ROs comprises: determining a first RO corresponding to the X SSBs based on the mapping relationship between the SSBs and the ROs; and selecting consecutive M ROs starting from the first RO; or,   in a case that a number of ROs mapped by each SSB is 1 and a number of SSBs mapped by each RO is N, wherein N is greater than or equal to 1, then X is equal to M; wherein the determining the RO combination based on the X SSBs and the mapping relationship between the SSBs and the ROs comprises: determining K ROs corresponding to the X SSBs based on the mapping relationship between the SSBs and the ROs, and in a case that K is equal to M, determining the K ROs as the M ROs.   
     
     
         17 - 19 . (canceled) 
     
     
         20 . The method according to  claim 16 , in the case that the number of ROs mapped by each SSB is 1 and the number of SSBs mapped by each RO is N, wherein N is greater than or equal to 1, X is equal to M, the method further comprising:
 in a case that K is less than M, continuing to select an RO corresponding to other SSB than the X SSBs, until the M ROs are determined; or,   in a case that K is less than M, selecting consecutive M-K ROs after the K ROs to obtain the M ROs.   
     
     
         21 . The method according to  claim 15 , further comprises at least one of the following:
 sending the number M of ROs to a terminal, wherein M is used to indicate sending the preamble sequences on M ROs;   sending the number X of SSBs to a terminal, wherein X is used to indicate determining M ROs for sending the preamble sequences based on X SSBs;   sending a number L of segments of the additional bits to a terminal, wherein L is an integer greater than 1, and L is used to indicate that each preamble sequence carries  1 /L of the additional bits; wherein L is calculated based on M, or M is calculated based on L; or,   solving for the additional bits carried by the preamble sequences after receiving the preamble sequences.   
     
     
         22 - 26 . (canceled) 
     
     
         27 . A preamble sequence sending apparatus, comprising: a memory, a transceiver and a processor, wherein
 the memory is configured to store a computer program;   the transceiver is configured to send and receive data under control of the processor;   the processor is configured to read the computer program stored in the memory and execute the following operations:   determining M random access channel occasions (ROs) based on detected synchronization signal blocks (SSBs), wherein M is an integer greater than 1; and   sending preamble sequences on the M ROs, wherein the preamble sequences carry additional bits generated based on information bits.   
     
     
         28 . The apparatus according to  claim 27 , wherein the processor is further configured to execute the following operations:
 selecting X SSBs from the detected SSBs at least based on synchronization signal-reference signal received powers (SS-RSRPs) of the detected SSBs, wherein X is an integer greater than or equal to 1, and X is preset, or configured by a network device, or agreed upon by a protocol, or determined by a terminal; and   determining the M ROs based on the X SSBs and a mapping relationship between SSBs and ROs, wherein M is preset, or configured by a network device, or agreed upon by a protocol, or determined by a terminal.   
     
     
         29 . The apparatus according to  claim 28 , wherein in a case that a number of ROs mapped by each SSB is 1/N, wherein N is less than 1, then the M ROs represent X/N ROs corresponding to the X SSBs; or,
 in a case that a number of ROs mapped by each SSB is 1/N, wherein N is less than 1, then X is equivalent to M divided by 1/N and rounded up to a nearest integer, and the M ROs represent M ROs in X/N ROs corresponding to the X SSBs   wherein the X SSBs represent X SSBs with highest SS-RSRPs among all SSBs, or the X SSBs represent X SSBs whose SS-RSRPs exceed a preset threshold.   
     
     
         30 - 31 . (canceled) 
     
     
         32 . The apparatus according to  claim 28 , wherein in a case that a number of ROs mapped by each SSB is 1 and a number of SSBs mapped by each RO is N, wherein N is greater than or equal to 1, then X is 1, and the X SSBs represent one SSB with a highest SS-RSRP among all SSBs, or the X SSBs represent one SSB whose SS-RSRP exceeds a preset threshold;
 wherein the processor is further configured to execute the following operations:   determining a first RO corresponding to the X SSBs based on the mapping relationship between the SSBs and the ROs; and   selecting consecutive M ROs starting from the first RO; or,   in a case that a number of ROs mapped by each SSB is 1 and a number of SSBs mapped by each RO is N, wherein N is greater than or equal to 1, then X is equal to M, and the X SSBs represent M SSBs corresponding to M highest SS-RSRPs among all SSBs, or the X SSBs represent M SSBs whose SS-RSRPs exceed a preset threshold; wherein the processor is further configured to execute the following operation: determining K ROs corresponding to the X SSBs based on the mapping relationship between the SSBs and the ROs, and in a case that K is equal to M, determining the K ROs as the M ROs.   
     
     
         33 . (canceled) 
     
     
         34 . The apparatus according to  claim 32 , wherein in the case that X is equal to M, the processor is further configured to execute the following operations:
 in a case that K is less than M, continuing to select an RO corresponding to an SSB with a highest SS-RSRP among the other SSBs than the X SSBs until the M ROs are determined; or,   in a case that K is less than M, selecting consecutive M-K ROs after the K ROs to obtain the M ROs.   
     
     
         35 . The apparatus according to  claim 27 , wherein the preamble sequences on the M ROs are the same, and the preamble sequences carry all information of the additional bits; or,
 the preamble sequences on the M ROs are not completely the same, and each preamble sequence carries part of information of the additional bits.   
     
     
         36 . (canceled) 
     
     
         37 . The apparatus according to  claim 35 , wherein the processor is further configured to execute the following operation:
 sending L preamble sequences on the M ROs, wherein L is a number of segments of the additional bits, and L is less than or equal to M, each preamble sequence in the L preamble sequences carries a segment of the additional bits, wherein L is preset, or configured by a network device, or agreed upon by a protocol, or determined by a terminal; wherein L is calculated based on M, or M is calculated based on L.   
     
     
         38 - 39 . (canceled) 
     
     
         40 . A preamble sequence receiving apparatus, comprising: a memory, a transceiver and a processor, wherein
 the memory is configured to store a computer program;   the transceiver is configured to send and receive data under control of the processor;   the processor is configured to read the computer program stored in the memory and execute the method according to  claim 14 .   
     
     
         41 - 79 . (canceled)